void window::start (lua_State *L, gslshell::ret_status& st)
{
this->lock();
if (status != canvas_window::running)
{
typedef canvas_window::thread_info thread_info;
std::auto_ptr<thread_info> inf(new thread_info(L, this));
this->window_id = window_index_add (L, -1);
inf->window_id = this->window_id;
if (! this->start_new_thread (inf))
{
window_index_remove (L, this->window_id);
this->unlock();
st.error("error during thread initialization", "window creation");
}
}
else
{
this->unlock();
st.error("window is already active", "window creation");
}
}
void *
canvas_thread_function (void *_inf)
{
typedef canvas_window::thread_info thread_info;
std::auto_ptr<thread_info> inf((thread_info *) _inf);
platform_support_ext::prepare();
canvas_window *win = inf->win;
win->caption("GSL shell plot");
if (win->init(480, 480, agg::window_resize))
{
win->status = canvas_window::running;
int ec = win->run();
win->status = (ec == 0 ? canvas_window::closed : canvas_window::error);
}
else
{
win->status = canvas_window::error;
}
win->unlock();
gsl_shell_state* gs = win->state();
pthread_mutex_lock (&gs->shutdown_mutex);
if (!gs->is_shutting_down)
{
pthread_mutex_lock(&gs->exec_mutex);
window_index_remove (gs->L, inf->window_id);
pthread_mutex_unlock(&gs->exec_mutex);
}
pthread_mutex_unlock (&gs->shutdown_mutex);
return NULL;
}
